'use strict'

process.chdir(__dirname)


const titbit = require('titbit')
const fs = require('fs')
const pg = require('pg');
const dbconfig = require('./dbconfig.js')
const wxkey = require('./wxkey')
//使用HTTP/1.1客户端
const { httpcli } = require('gohttp')

//初始化数据连接
let psql = new pg.Pool(dbconfig)

try {
    fs.accessSync('./images')
} catch (err) {
    fs.mkdirSync('./images')
}

let cert_path = '/usr/local/share'

const app = new titbit({
    //开启模式调试，会输出错误信息
    debug: true,
    cert: `${cert_path}/api.qasdwer.xyz.pem`,
    key: `${cert_path}/api.qasdwer.xyz.key`
})

// -------------------------content路由----------------------
app.get('/content', async c => {
    let sqltext = 'SELECT id,title,update_time FROM content'
    let r = await psql.query(sqltext)
    c.send(r.rows)
})
app.post('/content', async c => {
    try {
        //c.body是提交的请求体数据
        let data = JSON.parse(c.body)
        let sqltext = 'INSERT INTO content'
            + '(id, detail, title, add_time, update_time)'
            + 'VALUES($1, $2, $3, $4, $5)'

        //随机转成16进制字符串并去掉前两位，子串作为ID
        let id = Math.random().toString(16).substring(2)//c.helper.makeID()
        let tm = Date.now()

        let r = await psql.query(sqltext, [
            id, data.detail, data.title, tm, tm
        ])

        if (r.rowCount === 0) {
            return c.status(500).send('failed')
        }

        c.send(id)

    } catch (e) {
        console.log(e)
        c.status(400).send('bad data')

    }
})
app.get('/content/:id', async c => {
    let id = c.param.id

    let sqltext = 'SELECT id,detail,title,update_time '
        + ' FROM content WHERE id=$1';

    let r = await psql.query(sqltext, [id])

    if (r.rowCount === 0)
        return c.status(404).send('not found');

    c.send(r.rows[0])
})
//delete在这！！！
app.delete('/content/:id', async c => {
    // let id = c.param.id

    // let sqltext = 'DELETE FROM content WHERE id=$1'

    // let r = await psql.query(sqltext,[id])

    // if(r.rowCount === 0){
    //     return c.status(500).send('not found');

    // }
    // // c.send(id)

    let r = await psql.query(`DELETE FROM content WHERE id=$1`,
        [c.param.id]
    )
    c.send({
        count: r.rowCount
    })

})
//--------------------------contnent 路由 - END---------------


//c是context
app.get('/', async c => {
    c.send('ok')
})

app.get('/upload', async c => {
    //c.helper是助手函数模块，其中有对stream.pipe的封装
    //c.reply是响应对象，http/1.1中指向response
    await c.helper.pipe('./upload.html', c.reply)
})

app.post('/upload', async c => {
    let f = c.getFile('file')

    if (!f) {
        return c.status(400).send('file not found')
    }
    //生成唯一文件名
    let fname = c.helper.makeName(f.filename)
    try {
        await c.moveFile(f, `./images/${fname}`)
        c.send(fname)
    } catch (e) {
        c.status(500).send('failed')
    }
})

//image/:name 动态路由
//image/a.jpg
app.get('/image/:name', async c => {
    let imgname = c.param.name
    try {
        await c.helper.pipe(`./images/${imgname}`, c.reply)
    } catch (err) {
        c.status(404).send('image not found')
    }
})

//立即执行函数，前面加;用于区分代码块
//;(async()=>{})();
app.get('/user/:name/:age/:mobile', async c => {
    console.log(c.param)
    c.send(c.param)
})

app.get('/mp-login/:code', async c => {
    c.send(c.param)
    let auth_url = `https://api.weixin.qq.com/sns/jscode2session`
        + `?appid=${wxkey.appid}`
        + `&secret=${wxkey.secret}`
        + `&js_code=${c.param.code}`
        + `&grant_type=authorization_code`

    let ret = await httpcli.get(auth_url)
        .then(res => {
            return res.text()
        })

    c.send(tok.make(ret))
})

//监听1234 端口
app.run(2021)

